Abstract
Abstract In this work, a new technique of polarity-regulating molecular self-assembly was used for fabricating core–shell magnetic nanoparticles (NPs) with a high content of carboxy groups. First, Fe3O4 NPs with hydrophobic surfaces were prepared. Then the NPs were dispersed in a medium of water and suspended for the procedure of the molecular self-assembly of 4-vinylbenzoic acid. In this case, the molecules might move towards the surfaces of hydrophobic NPs in manner of carboxy groups outwards. After that, in situ polymerization was initiated and poly(4-vinylbenzoic acid) was formed around the surfaces of Fe3O4 NPs. Core–shell magnetic NPs with a high content of carboxy groups were fabricated. The prepared NPs were characterized by Fourier transform infrared (FTIR), thermogravimetric analyses (TGA), transmission electron microscopy (TEM), vibrating sample magnetometer (VSM), and conductivity titration.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.